28393

Names of 28393

• Cardinal: 28393 can be written as Twenty-eight thousand, three hundred ninety-three.

Scientific notation

• Scientific notation: 2.8393 × 10⁴

Factors of 28393

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 28393

Divisors of 28393

• Number of divisors d(n): 2
• Complete list of divisors:
  1 28393
• Sum of all divisors σ(n): 28394
• Sum of proper divisors (its aliquot sum) s(n): 1
• 28393 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 28392

Bases of 28393

• Binary: 110111011101001₂
• Hexadecimal: 0x6EE9
• Base-36: LWP

Squares and roots of 28393

• 28393 squared (28393²) is 806162449
• 28393 cubed (28393³) is 22889370414457
• The square root of 28393 is 168.5022255045
• The cube root of 28393 is 30.5072991579

Scales and comparisons

• 28,393 seconds is equal to 7 hours, 53 minutes, 13 seconds.
• To count from 1 to 28,393 would take you about seven hours.

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 28393 cubic inches would be around 2.5 feet tall.

Recreational maths with 28393

• 28393 backwards is 39382
• The number of decimal digits it has is: 5
• The sum of 28393's digits is 25
• More coming soon!